Merge commit 'bfcd4b6a'

* commit 'bfcd4b6a':
  adpcmdec: set AVCodec.sample_fmts
  twinvq: use planar sample format
  ralf: use planar sample format
  mpc7/8: use planar sample format
  iac/imc: use planar sample format
  dcadec: use float planar sample format
  cook: use planar sample format
  atrac3: use float planar sample format
  apedec: output in planar sample format
  8svx: use planar sample format

Conflicts:
	libavcodec/8svx.c
	libavcodec/dcadec.c
	libavcodec/mpc7.c
	libavcodec/mpc8.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>